program:
#include< iostream>
using namespace std;
int main()
{
int n;
cout<<"Enter any number to check positive or negativen";
cin>>n;
if(n>0)
cout<<"Number is positive";
if(n< 0)
cout<<"Number is negative";
if(n==0)
cout<<"Number is 0";
return 0;
}
Enter any number to check positive or negative
45
Number is positive
Enter any number to check positive or negative
-12
Number is negative
Enter any number to check positive or negative
0
Number is 0